SN74HCT244DBR

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SN74HCT244DBR

IC BUF NON-INVERT 5.5V 20SSOP

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Specifications

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series 74HCT
ProductStatus Active
LogicType Buffer, Non-Inverting
NumberofElements 2
NumberofBitsperElement 4
OutputType 3-State
Current-OutputHighLow 6mA, 6mA
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-SSOP (0.209, 5.30mm Width)

Overview

Description

The SN74HCT244DBR is an octal buffer/driver with three-state outputs, designed to interface with TTL levels while operating at CMOS voltage levels. It features eight outputs, capable of driving up to 15 loads, making it suitable for applications requiring signal buffering or level shifting. This device operates with a supply voltage range of 4.5V to 5.5V and is compatible with standard HCT logic levels.
Key features include low power consumption, high-speed operation, and the ability to tri-state outputs, which allows for multiple devices to share the same output line in bus systems. The SN74HCT244 is typically used in data routing, signal conditioning, and as a part of larger logic circuits.
The DBR package refers to a small outline IC (SOIC) with a 14-pin configuration, promoting efficient space utilization on PCBs. Its robustness and versatility make it a common choice in digital electronic designs.

Features

The SN74HCT244DBR is an octal buffer/driver with three-state outputs, designed for high-speed operation and compatibility with TTL logic levels. Key features include:
1. Eight Buffers: It contains eight independent buffer/driver circuits.
2. Three-State Outputs: Each output can be in one of three states: high, low, or high-impedance, allowing for flexible bus configurations.
3. Fast Transition Times: Provides fast signal propagation with a typical propagation delay of around 7 ns at 5V.
4. Wide Supply Voltage Range: Operates with a supply voltage of 4.5V to 5.5V, making it suitable for various applications.
5. Low Power Consumption: Offers low static and dynamic power consumption, ideal for battery-operated devices.
6. TTL Compatibility: Designed for HCT logic levels, ensuring integration with standard TTL components.
7. Wide Temperature Range: Operates effectively across -40°C to 125°C.
These features make the SN74HCT244DBR suitable for data bus applications, signal buffering, and level shifting in digital circuits.

Package

The SN74HCT244DBR is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The SN74HCT244DBR is an octal buffer/driver with three-state outputs. It features a total of 20 pins. The primary functions of its pins include:
- Data Inputs (A1-A8): Eight inputs for data (D0-D7).
- Output Enable (OE): When low, it enables the outputs; when high, the outputs are in a high-impedance state.
- Outputs (Y1-Y8): Eight corresponding outputs for the data inputs.
- VCC: Power supply pin.
- GND: Ground reference pin.
This device is commonly used in digital circuits for signal buffering and driving applications, ensuring compatibility with TTL logic levels while offering higher speed and lower power consumption.

Manufacturer

The SN74HCT244DBR is manufactured by Texas Instruments (TI), a leading semiconductor company based in the United States. Founded in 1930, Texas Instruments specializes in designing and manufacturing a wide range of analog and digital semiconductor products, including microcontrollers, processors, and signal processing solutions. The company serves various sectors, including automotive, industrial, consumer electronics, and communications. TI is known for its innovation and commitment to providing high-quality electronic components that enable advanced technologies across multiple applications.

Application

The SN74HCT244DBR is an octal buffer/driver used in digital circuits for signal buffering and driving applications. It finds application in data handling, signal conditioning, and interfacing between different logic levels. Common uses include driving LEDs, interfacing with microcontrollers, and expanding bus systems in computers and communication devices. Its high-speed performance and low power consumption make it suitable for use in consumer electronics, automotive systems, and industrial automation.

Equivalent

The SN74HCT244DBR is a hex buffer/driver with three-state outputs. Equivalent products include:
1. 74HC244 (similar function, higher speed)
2. 74LS244 (lower speed, TTL compatible)
3. MC74HC244 (Motorola equivalent)
4. 74HCT240 (octal driver, similar logic level)
Always check specific data sheets for electrical characteristics and pin configurations for compatibility.

Shipping

Shipping MethodsWe

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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